Disposing Of Used Batteries - Toshiba Tecra M7 Series Resource Manual

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Taking care of your battery
5
If you have extra battery packs, rotate their use.
If you will not be using the system for an extended
period, more than one month, remove the battery pack.
Disconnect the AC adaptor when the battery is fully
charged. Overcharging makes the battery hot and
shortens its life.
If you are not going to use the computer for more than
eight hours, disconnect the AC adaptor.
Store spare battery packs in a cool dry place out of direct
sunlight.

Disposing of used batteries

When a battery pack nears the end of its life, its ability to
hold a charge will decrease. When the battery pack needs to
be replaced, the main battery light flashes amber shortly after
you have fully recharged the battery.
You must discard a battery if it becomes damaged.
After repeated use, batteries will finally lose their ability to
hold a charge and you will need to replace them. Under
certain applicable laws, it may be illegal to dispose of old
batteries by placing them in the trash.
Charge the battery pack until the battery light glows
green.
Never attempt to dispose of a battery pack by burning or by throwing
it into a fire, and never allow exposure to a heating apparatus (e.g.,
microwave oven). Heat can cause a battery pack to explode and/or
release caustic liquid, both which may possibly cause serious injury.
Always dispose of used battery packs in compliance with all
applicable laws and regulations. Put insulating tape, such as
cellophane tape, on the electrode during transportation to avoid a
possible short circuit, fire or electric shock. Failure to do so could
possibly result in serious injury.
Always use the battery pack supplied as an accessory or an
equivalent battery pack specified in the User's Manual. Other battery
packs have different voltage and terminal polarities. Use of non-
conforming battery packs could generate smoke or cause fire or
rupture, possibly resulting in serious injury.